ahci: Support non-PCI controllers
At present the AHCI SCSI driver only supports PCI with driver model.
Rename the existing function to indicate this and add support for adding
a non-PCI controller .
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
index 462b7c0..7febb8c 100644
--- a/arch/x86/cpu/ivybridge/sata.c
+++ b/arch/x86/cpu/ivybridge/sata.c
@@ -236,7 +236,7 @@
bd82x6x_sata_enable(dev);
else {
bd82x6x_sata_init(dev, pch);
- ret = ahci_probe_scsi(dev);
+ ret = ahci_probe_scsi_pci(dev);
if (ret)
return ret;
}
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 606347f..7c56f57 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -431,7 +431,7 @@
cap2 & (1 << 0) ? "boh " : "");
}
-#ifndef CONFIG_SCSI_AHCI_PLAT
+#if defined(CONFIG_DM_SCSI) || !defined(CONFIG_SCSI_AHCI_PLAT)
# if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI)
static int ahci_init_one(struct ahci_uc_priv *uc_priv, struct udevice *dev)
# else
@@ -1158,11 +1158,8 @@
return 0;
}
-int ahci_probe_scsi(struct udevice *ahci_dev)
+int ahci_probe_scsi(struct udevice *ahci_dev, ulong base)
{
-#ifdef CONFIG_SCSI_AHCI_PLAT
- return -ENOSYS; /* TODO(sjg@chromium.org): Support non-PCI AHCI */
-#else
struct ahci_uc_priv *uc_priv;
struct scsi_platdata *uc_plat;
struct udevice *dev;
@@ -1172,22 +1169,33 @@
if (!dev)
return -ENODEV;
uc_plat = dev_get_uclass_platdata(dev);
- uc_plat->base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5,
- PCI_REGION_MEM);
+ uc_plat->base = base;
uc_plat->max_lun = 1;
uc_plat->max_id = 2;
- uc_priv = dev_get_uclass_priv(dev);
+
+ uc_priv = dev_get_uclass_priv(ahci_dev);
ret = ahci_init_one(uc_priv, dev);
if (ret)
return ret;
ret = ahci_start_ports(uc_priv);
if (ret)
return ret;
-#endif
return 0;
}
+#ifdef CONFIG_DM_PCI
+int ahci_probe_scsi_pci(struct udevice *ahci_dev)
+{
+ ulong base;
+
+ base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5,
+ PCI_REGION_MEM);
+
+ return ahci_probe_scsi(ahci_dev, base);
+}
+#endif
+
struct scsi_ops scsi_ops = {
.exec = ahci_scsi_exec,
.bus_reset = ahci_scsi_bus_reset,
diff --git a/include/ahci.h b/include/ahci.h
index 818f344..29f4ba1 100644
--- a/include/ahci.h
+++ b/include/ahci.h
@@ -218,8 +218,20 @@
* devices it finds.
*
* @ahci_dev: AHCI parent device
+ * @base: Base address of AHCI port
* @return 0 if OK, -ve on error
*/
-int ahci_probe_scsi(struct udevice *ahci_dev);
+int ahci_probe_scsi(struct udevice *ahci_dev, ulong base);
+
+/**
+ * ahci_probe_scsi_pci() - probe and scan the attached SCSI bus on PCI
+ *
+ * Note that the SCSI device will itself bind block devices for any storage
+ * devices it finds.
+ *
+ * @ahci_dev: AHCI parent device
+ * @return 0 if OK, -ve on error
+ */
+int ahci_probe_scsi_pci(struct udevice *ahci_dev);
#endif